PHP
1. What is PHP?
PHP or Hpertext Preprocessor is a server-side scripting language to create dynamic web pages. It is designed for web development and embedded inside the HTML just like JavaScript but unlike of JavaScript it executes on server-side instead of client-side.
2. What is difference between echo and print in PHP?
The echo and print both the methods are used to output data in PHP. The only difference between them is that echo can take more than one parameter to output. While, the print accepts only a single parameter to print.
3. Explain the purpose of $_SESSION in PHP.
It is a global variable used to store the variables of multiple pages from different sessions. It allows to persist data on the server between requests. It provides a way to maintain user-specific information throughout the session.
Top PHP Projects with Source Code
The term PHP is an acronym for – Hypertext Preprocessor. PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The file extension of PHP is “.php”. PHP was introduced by Rasmus Lerdorf in the first version and participated in the later versions. It is an interpreted language and it does not require a compiler.